matplotlib update

Author: Mofan Zhou

matplotlibTUT/plt14_3d.py

@@ -7,7 +7,7 @@
 """
 Please note, this script is for python3+.
 If you are using python2+, please modify it accordingly.
-Tutorial page:
+Tutorial reference:
 http://www.python-course.eu/matplotlib_multiple_figures.php
 """
 
@@ -25,7 +25,7 @@
 # height value
 Z = np.sin(R)
 
-ax.plot_surface(X, Y, Z, rstride=1, cstride=1, cmap=plt.cm.hot)
+ax.plot_surface(X, Y, Z, rstride=1, cstride=1, cmap=plt.get_cmap('rainbow'))
 """
 ============= ================================================
         Argument      Description
@@ -44,7 +44,7 @@
 """
 
 # I think this is different from plt12_contours
-ax.contourf(X, Y, Z, zdir='z', offset=-2, cmap=plt.cm.hot)
+ax.contourf(X, Y, Z, zdir='z', offset=-2, cmap=plt.get_cmap('rainbow'))
 """
 ==========  ================================================
         Argument    Description

matplotlibTUT/plt15_subplot.py

@@ -7,7 +7,7 @@
 """
 Please note, this script is for python3+.
 If you are using python2+, please modify it accordingly.
-Tutorial page:
+Tutorial reference:
 http://www.scipy-lectures.org/intro/matplotlib/matplotlib.html
 """
 

matplotlibTUT/plt16_grid_subplot.py

@@ -7,7 +7,7 @@
 """
 Please note, this script is for python3+.
 If you are using python2+, please modify it accordingly.
-Tutorial page:
+Tutorial reference:
 http://matplotlib.org/users/gridspec.html
 """
 

matplotlibTUT/plt17_plot_in_plot.py

@@ -7,7 +7,7 @@
 """
 Please note, this script is for python3+.
 If you are using python2+, please modify it accordingly.
-Tutorial page:
+Tutorial reference:
 http://www.python-course.eu/matplotlib_multiple_figures.php
 """
 

matplotlibTUT/plt18_secondary_yaxis.py

@@ -7,7 +7,7 @@
 """
 Please note, this script is for python3+.
 If you are using python2+, please modify it accordingly.
-Tutorial page:
+Tutorial reference:
 http://www.python-course.eu/matplotlib_multiple_figures.php
 """
 

matplotlibTUT/plt19_animation.py

@@ -0,0 +1,51 @@
+# View more python tutorials on my Youtube and Youku channel!!!
+
+# Youtube video tutorial: https://www.youtube.com/channel/UCdyjiB5H8Pu7aDTNVXTTpcg
+# Youku video tutorial: http://i.youku.com/pythontutorial
+
+# 19 - animation
+"""
+Please note, this script is for python3+.
+If you are using python2+, please modify it accordingly.
+
+Tutorial reference:
+http://matplotlib.org/examples/animation/simple_anim.html
+
+More animation example code:
+http://matplotlib.org/examples/animation/
+"""
+
+import numpy as np
+from matplotlib import pyplot as plt
+from matplotlib import animation
+
+fig, ax = plt.subplots()
+
+x = np.arange(0, 2*np.pi, 0.01)
+line, = ax.plot(x, np.sin(x))
+
+
+def animate(i):
+    line.set_ydata(np.sin(x + i/10.0))  # update the data
+    return line,
+
+
+# Init only required for blitting to give a clean slate.
+def init():
+    line.set_ydata(np.ma.array(x, mask=True))
+    return line,
+
+# call the animator.  blit=True means only re-draw the parts that have changed.
+# blit=True dose not work on Mac, set blit=False
+# interval= update frequency
+ani = animation.FuncAnimation(fig=fig, func=animate, frames=100, init_func=init,
+                              interval=20, blit=False)
+
+# save the animation as an mp4.  This requires ffmpeg or mencoder to be
+# installed.  The extra_args ensure that the x264 codec is used, so that
+# the video can be embedded in html5.  You may need to adjust this for
+# your system: for more information, see
+# http://matplotlib.sourceforge.net/api/animation_api.html
+# anim.save('basic_animation.mp4', fps=30, extra_args=['-vcodec', 'libx264'])
+
+plt.show()